In tennis which test is used to check the fitness of the player?

In tennis which test is used to check the fitness of the player?

ٹینس میں کھلاڑی کی فٹنس جانچنے کے لیے کون سا ٹیسٹ استعمال کیا جاتا ہے؟
Explanation

In tennis dyer test is used to check the fitness of the player

ND4-4-20234